Which of These Statements Concerning Distinctive Competence Is True

Which of these statements concerning distinctive competence is true?

A) If a distinctive competence does not meet a customer need, it is worthless.
B) Learning and culture are not considered good opportunities for establishing distinctive competence.
C) If the firm selects the right operations objectives, there is no need to develop or maintain a distinctive competence.
D) The concept of distinctive competence is unique to operations strategy.